The sentence I would choose is: "He was looking down at his outstretched hands as he talked". To me, it implies that he cannot look into the eyes of the person he is speaking to, as if he doesn't feel he is worthy.
caliban plots to kill prosperos so that stephano can rule the island
My grandmother was a pious woman who was only ever gentle, soft spoken, kind, and held her religious values to the upmost importance.